The Case IH 700721591 Diaphragm Kit is a genuine OEM component designed for a wide range of agricultural machinery. This essential kit ensures proper function across various Case IH models, including combines (1420, 1440, 1460, 1480, 1620, 1640, 1644, 1660, 1666, 1680, 1688, 2144, 2166, 2188, 2344, 2366, 2377, 2388, 2577, 2588, 5088, 6088, 7088, 7120, 7230, 7240, 7250, 8120, 8230, 8240, 8250, 9120, 9230, 9240, 9250), cotton pickers (1800, 1822, 1844, 2022, 2044, 2055, 2144, 2155, 2555, 420, 620, 630, 8220, 8820, 8830, 8840, 8850, 8860, 8870, 8880), forage harvesters (781), tractors (7110, 7120, 7130, 7140, 7150, 7210, 7220, 7230, 7240, 7250, 8910, 8920, 8930, 8940, 8950, 9110, 9130, 9150, 9170, 9180, 9210, 9230, 9240, 9250, 9260, 9270, 9280, 9310, 9330, 9350, 9370, 9380, 9390), and windrowers (8825, 8835, 8845, 8855, 8865, 8875, 8885). With precise dimensions and robust construction, it provides reliable performance for critical systems.